Anti Bodies
Monoclonal antibodies were first produced by

Selman Waksman
Sarkar and Sommer
Edward Jenner and Louis Pasteur
Georges Kohler and Cesar Milstein

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Anti Bodies
IgE provides

complement killings of the cells and phagocytosis
immunity against some parasites
secretions in the body
All of these

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Anti Bodies
A polyclonal antibody response

violates clonal selection
is produced by several B cells recognizing different pitopes on the same antigen
occurs during the lag phase of the immune response
is produced only in response to polymeric antigens

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Anti Bodies
Each IgA antibody molecule consists of

two polypeptide chain and has two antigen binding site
two polypeptide chain and has one antigen binding site
three polypeptide chain and has two antigen binding site
four polypeptide chain and has two antigen binding site

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